LSE toolsLSE toolsCrowbar (266)Crowbar (266)

Tool and Usage

Crowbar is a brute forcing tool that can be used during penetration tests. Unlike other similar tools it uses different methods to achieve its goal.

Screenshot for Crowbar tool review

Why this tool?

While most brute forcing tools take a similar approach, Crowbar can use different methods that are not always available in other utilities. For example, Crowbar can use SSH keys, instead of the typical username and password combination. This might be useful during penetration testing when these type of details are discovered.

Additional information

Crowbar was formally known as Levye.

Usage and audience

This tool is categorized as a brute force tool and password security tool.

Crowbar is commonly used for penetration test. Target users for this tool are pentesters.

Tool review

The review and analysis of this project resulted in the following remarks for this security tool:


  • + The source code of this software is available

History and highlights

  • Demoed at Black Hat USA 2014
  • Demoed at Black Hat USA 2015

Author and Maintainers

Crowbar is under development by Gökhan Alkan.


Support operating systems

Crowbar is known to work on Linux.

This tool page was recently updated. Found an improvement? Become an influencer and submit an update.
Project details
Latest releasev.3.4 [2016-01-20]
Last updatedSept. 18, 2017

Project health

This score is calculated by different factors, like project age, last release date, etc.


GitHub iconCrowbar

Compare Crowbar with other tools

Related terms